ICD-10 N76.81
Billable / Specific CCMucositis (ulcerative) of vagina and vulva
About ICD-10-CM N76.81
ICD-10-CM code N76.81 represents Mucositis (ulcerative) of vagina and vulva. This is a billable/specific code in the Genitourinary System chapter (block N76). The 2026 edition of ICD-10-CM N76.81 became effective on October 1, 2025.
Coding Tips for N76.81
Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.
N76.81 is designated CC for MS-DRG grouping. On inpatient claims, this code can shift the DRG to the with-CC variant when documented as a present-on-admission secondary diagnosis. Hospital CDI programs flag CC opportunities during chart review. Failure to capture this code may leave 30 to 80 percent of the inpatient stay revenue unrealized.
Type 2 Excludes
Not included here, the excluded code is not part of N76.81, but a patient may have both conditions at the same time. Both codes may be coded together when applicable.
- gastrointestinal mucositis (ulcerative) (K92.81)
- nasal mucositis (ulcerative) (J34.81)
- oral mucositis (ulcerative) (K12.3-)
Coding Notes
Code Also
- type of associated therapy, such as:
- antineoplastic and immunosuppressive drugs (T45.1X-)
- radiological procedure and radiotherapy (Y84.2)
Inpatient DRG Impact, CC
codes Mucositis (ulcerative) of vagina and vulva. As a Complication/Comorbidity (CC), this contributes to DRG severity adjustment when documented alongside the principal diagnosis.
Medicare LCD Coverage for N76.81
Local Coverage Determinations (LCDs) from CMS MACs that list N76.81 as a covered diagnosis.
This doesn't mean the code isn't covered, it means no MAC has issued a Local Coverage Determination naming this specific code. Coverage may still apply under National Coverage Determinations or general medical-necessity rules.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing N76.81.
1 Cigna
1 Aetna
CPT Codes Commonly Billed with N76.81
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Convert N76.81 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| N76.81 | 61681 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To N76.81
Other codes in section N70-N77 (Inflammatory diseases of female pelvic organs).
ICD-10 N76.81, Billing FAQ
Is ICD-10 code N76.81 billable? +
Yes, N76.81 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What codes are Type 2 Excludes for N76.81? +
Type 2 Excludes (may be coded together when both conditions exist): gastrointestinal mucositis (ulcerative) (K92.81); nasal mucositis (ulcerative) (J34.81); oral mucositis (ulcerative) (K12.3-)
Is N76.81 a CC or MCC for inpatient DRG? +
Yes, this code is designated as CC. Documenting as a secondary diagnosis on inpatient claims can shift the DRG to a higher-weighted category.
What ICD-9 codes does N76.81 map to? +
Per CMS GEMs, N76.81 maps to ICD-9 codes: 61681. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on July 16, 2026.
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